Hotel São Saturnino will offer you a 10% discount on your room booking if you quote 'Sintra Treks' and they will also donate 10% of the price of your room to the charity we support - NAAAS, supporting abandoned dogs of Sintra. Originally built in the 13th century, today it is one of the most attractive and sought-after hotels in the region. In a hidden valley of the nature reserve of Serra de Sintra-Cascais lies one of the most jealously guarded treasures of the region – the